A.标准养护 B.自然养护 C.蒸汽养护 D.压蒸养护
A.21.5% B.21.9% C.22.2% D.试验结果无效，应重做
A.5.6% B.5.4% C.5.2% D.5.0%
A.50±10% B.55±10% C.60±10% D.60±5%
A.4° B.5° C.6° D.7°
